costate (a.)有肋骨的,肋骨狀的,主脈的
Cos·tate Cos·ta·ted a. Having ribs, or the appearance of ribs; Bot. having one or more longitudinal ribs. ◄ ►
costate adj 1: (of the surface of shells) having a rough, rib-like texture [syn: ribbed] 2: having ribs